This is the caller ID card for the MICS control unit and/or the M12X0 fiber trunk module used to expand the line capability of the MICS. It provides 4 lines of Caller ID. You must have these cards in order to receive caller ID from your dial tone provider. This card can also be used with the M8x24 Norstar control unit inside the M12X0 copper trunk module.

Subject to product availability.